%0 Journal Article %A R. Hall %T On the probability that n and f (n) are relatively prime II %J Acta Arithmetica %D 1971 %P 175-184 %V 19 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-19-2-175-184/ %R 10.4064/aa-19-2-175-184 %G en %F 10_4064_aa_19_2_175_184